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Bourns 204935BLF Medium Duty Gas Discharge Tube

The Bourns 2049-35-BLF is a medium-duty, 2-electrode gas discharge tube providing overvoltage protection for sensitive electronic circuits. It offers a 350V DC sparkover voltage, low capacitance, and high insulation resistance, ensuring reliable performance in demanding environments. Common applications include telecommunications equipment, industrial electronics, and consumer devices where transient voltage suppression is critical. The device is RoHS compliant and available in bulk or reelpack options. Users should verify performance in their specific applications as characteristics can vary.

Authorized Distributors
Source:DigiKey
Part No:2049-35-BLF
Stock:1000
Inv Date:05-28-2026
Price: Unit price: $1
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Part No:2049-35-BLF
Stock:0
Inv Date:05-29-2026
Price: Unit price: $1
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Part No:2049-35-BLF
Stock:1244
Inv Date:05-28-2026
Price: Unit price: $0.13
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Part No:2049-35-BLF
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.4313
Buy/RFQ:
Part No:2049-35-BLF
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.4313
Buy/RFQ:

Bourns 204935BLF Medium Duty Gas Discharge Tube Specifications:

  • DC Sparkover Voltage: 350 V ±30 % @ 100 V/s
  • Impulse Sparkover Voltage: < 500 V @ 100 V/µs, < 700 V @ 1000 V/µs
  • Insulation Resistance: > 10 GW
  • Glow Voltage: ~ 70 V
  • Arc Voltage: ~ 10 V
  • Maximum Capacitance: < 1.5 pF @ 1 MHz
  • Impulse Discharge Current: 20,000 A, 8/20 µs (1 operation), 15,000 A, 8/20 µs (10 operations)
  • Alternating Discharge Current: 20 A, 50 Hz, 1 sec. (1 operation), 65 A, Single, 9 cycles (1 operation)
  • Impulse Life: 100 A 10/1000 µs (500 operations)
  • Operating Temperature: -30 to +85 ºC
  • Storage Temperature: -40 to +150 °C
  • DC Holdover Voltage: < 150 ms
  • Climatic Category: 40 / 90 / 21
  • UL Recognized: Yes, UL File E153537
  • AQL: 0.65, level II DIN ISO 2859
  • Lead Type: 0.8 mm straight leads
  • Packaging Type: Bulk (100 pcs./tray, 500 pcs./box) or Reelpack (500 pcs./reel)

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Frequently Asked Questions

Where can I buy Bourns 204935BLF?

You can click on the BUY or RFQ button to purchase 204935BLF from an authorized Bourns distributor.

How do I troubleshoot issues or seek technical support for part 204935BLF?

You can download the 204935BLF datasheet or visit the Bourns website for support.

Who is the manufacturer of 204935BLF?

Bourns

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